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| <h2 title="Interface UserDefinedFunction" class="title">Interface UserDefinedFunction</h2> |
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| <dt>All Superinterfaces:</dt> |
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| <pre>public interface <span class="typeNameLabel">UserDefinedFunction</span> |
| extends java.io.Serializable</pre> |
| <div class="block">Interface that all User Defined Functions classes must implement. |
| |
| It implements the java.io.Serializable class and must have the |
| UserDefinedFunctionIdentification annotation applied and filled in with the |
| values to be used in the schema. |
| |
| It must also have an evaluate method that contains the functionality it is |
| offering |
| |
| Any "state" variables should be passed in during overloaded |
| UserDefinedFunctionProvider initialization</div> |
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